Increase in CH4 emission due to weeds incorporation prior to rice transplanting in a rice-wheat rotation system
文献类型：期刊论文
| 作者 | Zhang, Guangbin1; Zhang, Wenxuan1,2; Yu, Haiyang1,2; Ma, Jing1; Xu, Hua1; Yagi, Kazuyuki3 |
| 刊名 | ATMOSPHERIC ENVIRONMENT
 |
| 出版日期 | 2015-09-01 |
| 卷号 | 116页码:83-91 |
| 关键词 | CH4 production potential CH4 oxidation Stable carbon isotopes Jiangsu China Paddy fields |
| ISSN号 | 1352-2310 |
| DOI | 10.1016/j.atmosenv.2015.01.018 |
| 通讯作者 | Yu, Haiyang(hxu@issas.ac.cn) |
| 英文摘要 | Planting winter wheat with rice straw application (WS) after rice harvest is a typical practice in Jiangsu Province, China. However, in the past decades quite a large area of paddy fields appeared to be left in fallow in the winter season, letting abundant weeds incorporated prior to rice transplanting (FSW) during the following rice season. Little is known about the effects of WS and FSW on the process of CH4 emission and on relative contribution of acetate to total CH4 production (F-ac) and fraction of CH4 oxidized (F-ox). Results show that FSW significantly increased CH4 production potential of paddy soil, CH4 concentration in soil solution, and CH4 emission from the fields (P < 0.01) but WS played a slight role. CH4 oxidation was more influenced by soil NH4+-N content and temperature rather than FSW and WS. The total CH4 emission from paddy fields in the Jiangsu Province during the rice season were estimated to increase by 030-0.37 and 0.14-0.21 Tg CH4 in 2008 and 2009, respectively, as a result of FSW. Similar delta C-13-values of CH4 production and emission, and CH4 dissolved in soil solution over the season suggest that FSW and WS played a minor role in F-ac and F-ox. Generally, acetoclastic methanogenesis was dominated (similar to 80%) at the beginning and the end of the season while F-ox was very high (over 65%) throughout most of the rice season. The findings indicate that FSW significantly increased CH4 emission. If this fact is not taken into account seriously, budget of regional CH4 emission from paddy fields will be significantly underestimated. (C) 2015 Elsevier Ltd. All rights reserved. |
| 收录类别 | SCI |
| WOS关键词 | DISSOLVED ORGANIC-CARBON ; STRAW APPLICATION ; METHANE OXIDATION ; PADDY FIELDS ; SEASONAL-VARIATION ; SOIL-WATER ; FERTILIZATION ; AMMONIUM ; TEMPERATURE ; PATHWAYS |
| WOS研究方向 | Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences |
| WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000358469300009 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2558349 |
| 专题 | 南京土壤研究所 |
| 通讯作者 | Yu, Haiyang |
| 作者单位 | 1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Natl Inst Agroenvironm Sci, Tsukuba, Ibaraki 3058604, Japan |
| 推荐引用方式 GB/T 7714 | Zhang, Guangbin,Zhang, Wenxuan,Yu, Haiyang,et al. Increase in CH4 emission due to weeds incorporation prior to rice transplanting in a rice-wheat rotation system[J]. ATMOSPHERIC ENVIRONMENT,2015,116:83-91. |
| APA | Zhang, Guangbin,Zhang, Wenxuan,Yu, Haiyang,Ma, Jing,Xu, Hua,&Yagi, Kazuyuki.(2015).Increase in CH4 emission due to weeds incorporation prior to rice transplanting in a rice-wheat rotation system.ATMOSPHERIC ENVIRONMENT,116,83-91. |
| MLA | Zhang, Guangbin,et al."Increase in CH4 emission due to weeds incorporation prior to rice transplanting in a rice-wheat rotation system".ATMOSPHERIC ENVIRONMENT 116(2015):83-91. |
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来源：南京土壤研究所
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